APA (7th ed.) Citation

University Microfilms International. United States geology: A dissertation bibliography by state. University Microfilms International, [1980].

Chicago Style (17th ed.) Citation

University Microfilms International. United States Geology: A Dissertation Bibliography by State. [Ann Arbor, Mich.]: University Microfilms International, [1980].

MLA (9th ed.) Citation

University Microfilms International. United States Geology: A Dissertation Bibliography by State. University Microfilms International, [1980].

Warning: These citations may not always be 100% accurate.